/**
* Copyright (C) 2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AsyncCallback, BusinessError, Callback, ErrorCallback } from '@ohos.base';
import hilog from '@ohos.hilog';
const SYNTAX_ERROR_CODE: int = 1002;
export class MyCallback {
static myCallback(callback: Callback<string>): void {
hilog.info(0x0000, 'testTag', 'myCallback');
callback('myCallback');
}
static myAsyncCallback(callback: AsyncCallback<string, string>): void {
hilog.info(0x0000, 'testTag', 'myAsyncCallback');
let error = new Error('Business Error', 'basicError2 message', undefined);
let be2: BusinessError<string> = new BusinessError<string>(SYNTAX_ERROR_CODE, error);
callback(be2, 'yAsyncCallback');
}
static myErrorCallback(callback: ErrorCallback<BusinessError<string>>): void {
hilog.info(0x0000, 'testTag', 'myErrorCallback');
let error = new Error('Business Error', 'myErrorCallback message', undefined);
let result: string = 'test';
let be: BusinessError<string> = new BusinessError<string>(SYNTAX_ERROR_CODE, result, error);
callback(be);
}
static runCasesOfCallback() {
MyCallback.myCallback((data: string) => {
hilog.info(0x0000, 'testTag', 'MyCallback' + data);
})
MyCallback.myAsyncCallback((error: BusinessError<string> | null, result: string | undefined) => {
hilog.info(0x0000, 'testTag', `myAsyncCallback, error: ${error?.message}, result:${result}`);
})
MyCallback.myErrorCallback((error: BusinessError<string>) => {
hilog.info(0x0000, 'testTag', `myAsyncCallback, error: ${error.message}`);
})
}
}